... *900*50MM(Trapezium) End cap size:250*900*50MM(alternative) road speed humpName:Speed hump,Speed breaker, speed bumpSpecifications:Middle section ... the manager,mainly used for city intersection,highroad crossing,toll gate,garden,village,parking lot,and gas station,etc.Instructions:1 ... roads and concrete roads.2) To improve life span ,the road must be smooth.After drilling,clean up the holes and ...